Potential fix for gollum/gollum#1012

pages.rb

#...

def files_folders
	if has_results
		folders = {}
		page_files = {}

		# 1012: Folders and Pages need to be separated
		@results.each do |page|
			page_path = page.path.sub(/^#{@path}\//, '')

			if page_path.include?('/')
				folder      = page_path.split('/').first
				folder_path = @path ? "#{@path}/#{folder}" : folder
				folder_link = %{<li><a href="#{@base_url}/pages/#{folder_path}/" class="folder">#{folder}</a></li>}

				folders[folder] = folder_link unless folders.key?(folder_link)
			elsif page_path != ".gitkeep"
				if defined? page.format
					page_link = %{<li><a href="#{@base_url}/#{page.escaped_url_path}" class="file">#{page.name}</a></li>}
					page_files[page.name] = page_link
				else
					page_link = %{<li><a href="#{@base_url}/#{page.escaped_url_path}#{page.name}" class="file">#{page.name}</a></li>}
					page_files[page.name] = page_link
				end
			end
		end
		
		# 1012: All Pages should be rendered as Folders first, then Pages, each sorted alphabetically
		result = folders.sort_by{ |k, v|  k.downcase }.compact.map{ |f| f[1] }.join("\n")
		result += page_files.sort_by{ |k, v| k.downcase }.compact.map{ |p| p[1] }.join("\n")
		
		result
	else
		""
	end
end

#...